Generally, coffee is good for your health when taken in the right quantities. However, when you drink too much coffee, you will end up with a case of calcium excretion that could subsequently lead to osteoporosis. Women are more susceptible to developing osteoporosis. So enjoy your coffee but stick to just a few cups. Just one or two. Overdrinking of coffee will also make you lose sleep. You need sleep to stay young and fresh. As women grow older, hormones change as well as the circadian rhythms. This makes women more sensitive to caffeine, therefore, affecting their ability to sleep soundly.